Add missing final newlines

Used this one-liner: https://unix.stackexchange.com/a/161853

src/components/subtitlesettings/subtitleappearancehelper.js

@@ -156,4 +156,4 @@ define([], function () {
         getStyles: getStyles,
         applyStyles: applyStyles
     };
-});
+});

src/components/subtitlesettings/subtitlesettings.js

@@ -219,4 +219,4 @@ define(['require', 'globalize', 'appSettings', 'apphost', 'focusManager', 'loadi
     };
 
     return SubtitleSettings;
-});
+});

src/components/subtitlesettings/subtitlesettings.template.html

@@ -91,4 +91,4 @@
     <button is="emby-button" type="submit" class="raised button-submit block btnSave hide">
         <span>${Save}</span>
     </button>
-</form>
+</form>